Python google.appengine.ext.ndb 模块，DateProperty() 实例源码

def from_json(self, request_data):
        """
        Update entity with new data from json.

        check for data to transform, if needed, perform operations and assign values to respective properties in entity.
        :param request_data:
        :return:
        """
        for property, value in request_data.iteritems():
            prop_type = self._properties.get(property)
            if prop_type:
                prop_value = value
                if isinstance(prop_type, (ndb.DateProperty, ndb.DateTimeProperty, ndb.TimeProperty)):
                    prop_value = utils.date_from_str(prop_type, prop_value)
                elif isinstance(prop_type, ndb.KeyProperty):
                    prop_value = ndb.Key(urlsafe=prop_value)
                setattr(self, property, prop_value)

def convert_DateProperty(self, model, prop, kwargs):
        """Returns a form field for a ``ndb.DateProperty``."""
        if prop._auto_now or prop._auto_now_add:
            return None

        return f.DateField(format='%Y-%m-%d', **kwargs)

def convert_DateProperty(self, model, prop, kwargs):
        """Returns a form field for a ``ndb.DateProperty``."""
        if prop._auto_now or prop._auto_now_add:
            return None

        return f.DateField(format='%Y-%m-%d', **kwargs)

def _get_for_dict(self, entity):
        value = super(DateProperty, self)._get_for_dict(entity)
        if not value:
            return None
        return str(value)

def convert_DateProperty(self, model, prop, kwargs):
        """Returns a form field for a ``ndb.DateProperty``."""
        if prop._auto_now or prop._auto_now_add:
            return None

        return f.DateField(format='%Y-%m-%d', **kwargs)

def convert_DateProperty(self, model, prop, kwargs):
        """Returns a form field for a ``ndb.DateProperty``."""
        if prop._auto_now or prop._auto_now_add:
            return None

        return f.DateField(format='%Y-%m-%d', **kwargs)

def date_from_str(prop_type, str_date):
    if isinstance(prop_type, ndb.DateProperty):
        return main_datetime.datetime.strptime(str_date, DATE_FORMAT)
    elif isinstance(prop_type, ndb.DateTimeProperty):
        return main_datetime.datetime.strptime(str_date, DATE_TIME_FORMAT)
    else:
        return main_datetime.datetime.strptime(str_date, TIME_FORMAT)

def convert_DateProperty(self, model, prop, kwargs):
        """Returns a form field for a ``ndb.DateProperty``."""
        if prop._auto_now or prop._auto_now_add:
            return None

        return f.DateField(format='%Y-%m-%d', **kwargs)

def convert_DateProperty(self, model, prop, kwargs):
        """Returns a form field for a ``ndb.DateProperty``."""
        if prop._auto_now or prop._auto_now_add:
            return None

        return f.DateField(format='%Y-%m-%d', **kwargs)

def convert_DateProperty(self, model, prop, kwargs):
        """Returns a form field for a ``ndb.DateProperty``."""
        if prop._auto_now or prop._auto_now_add:
            return None

        return f.DateField(format='%Y-%m-%d', **kwargs)

def convert_DateProperty(self, model, prop, kwargs):
        """Returns a form field for a ``ndb.DateProperty``."""
        if prop._auto_now or prop._auto_now_add:
            return None

        return f.DateField(format='%Y-%m-%d', **kwargs)

def convert_DateProperty(self, model, prop, kwargs):
        """Returns a form field for a ``ndb.DateProperty``."""
        if prop._auto_now or prop._auto_now_add:
            return None

        return f.DateField(format='%Y-%m-%d', **kwargs)

def convert_DateProperty(self, model, prop, kwargs):
        """Returns a form field for a ``ndb.DateProperty``."""
        if prop._auto_now or prop._auto_now_add:
            return None

        return f.DateField(format='%Y-%m-%d', **kwargs)

def convert_DateProperty(self, model, prop, kwargs):
        """Returns a form field for a ``ndb.DateProperty``."""
        if prop._auto_now or prop._auto_now_add:
            return None

        kwargs.setdefault('format', '%Y-%m-%d')
        return f.DateField(**kwargs)

def convert_DateProperty(self, model, prop, kwargs):
        """Returns a form field for a ``ndb.DateProperty``."""
        if prop._auto_now or prop._auto_now_add:
            return None

        return f.DateField(format='%Y-%m-%d', **kwargs)

def convert_DateProperty(self, model, prop, kwargs):
        """Returns a form field for a ``ndb.DateProperty``."""
        if prop._auto_now or prop._auto_now_add:
            return None

        return f.DateField(format='%Y-%m-%d', **kwargs)

def convert_DateProperty(self, model, prop, kwargs):
        """Returns a form field for a ``ndb.DateProperty``."""
        if prop._auto_now or prop._auto_now_add:
            return None

        return f.DateField(format='%Y-%m-%d', **kwargs)

def convert_DateProperty(self, model, prop, kwargs):
        """Returns a form field for a ``ndb.DateProperty``."""
        if prop._auto_now or prop._auto_now_add:
            return None

        return f.DateField(format='%Y-%m-%d', **kwargs)

def testDateProperty_shouldConvertToString(self):
        self.__assert_conversion(ndb.DateProperty, DateTime)

def convert_DateProperty(self, model, prop, kwargs):
        """Returns a form field for a ``ndb.DateProperty``."""
        if prop._auto_now or prop._auto_now_add:
            return None

        return f.DateField(format='%Y-%m-%d', **kwargs)

def convert_DateProperty(self, model, prop, kwargs):
        """Returns a form field for a ``ndb.DateProperty``."""
        if prop._auto_now or prop._auto_now_add:
            return None

        return f.DateField(format='%Y-%m-%d', **kwargs)

def convert_DateProperty(self, model, prop, kwargs):
        """Returns a form field for a ``ndb.DateProperty``."""
        if prop._auto_now or prop._auto_now_add:
            return None

        return f.DateField(format='%Y-%m-%d', **kwargs)

def convert_DateProperty(self, model, prop, kwargs):
        """Returns a form field for a ``ndb.DateProperty``."""
        if prop._auto_now or prop._auto_now_add:
            return None

        return f.DateField(format='%Y-%m-%d', **kwargs)

def convert_DateProperty(self, model, prop, kwargs):
        """Returns a form field for a ``ndb.DateProperty``."""
        if prop._auto_now or prop._auto_now_add:
            return None

        return f.DateField(format='%Y-%m-%d', **kwargs)

def convert_DateProperty(self, model, prop, kwargs):
        """Returns a form field for a ``ndb.DateProperty``."""
        if prop._auto_now or prop._auto_now_add:
            return None

        return f.DateField(format='%Y-%m-%d', **kwargs)